*SUPPORT*
IN: tufa wif dax OUT: YELLOW YELLOW YELLOW YELLOW
IN: zup dax lug zup wif dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer dax OUT: PINK PINK
IN: gazzer fep wif OUT: PINK RED RED
IN: tufa zup lug tufa tufa wif OUT: YELLOW BLUE YELLOW BLUE YELLOW YELLOW YELLOW
IN: fep wif dax OUT: RED RED RED RED
IN: gazzer zup wif OUT: PINK BLUE BLUE
IN: zup wif dax OUT: BLUE BLUE BLUE BLUE
IN: zup OUT: BLUE
IN: zup fep tufa dax OUT: BLUE RED YELLOW BLUE RED YELLOW
IN: tufa fep zup zup dax OUT: YELLOW RED BLUE BLUE YELLOW RED BLUE BLUE
IN: tufa gazzer tufa OUT: YELLOW PINK YELLOW
IN: gazzer dax dax OUT: PINK PINK PINK PINK
IN: tufa OUT: YELLOW

*QUERY*
IN: fep wif OUT: RED RED
IN: fep dax OUT: RED RED
IN: gazzer wif OUT: PINK PINK
IN: gazzer wif dax OUT: PINK PINK PINK PINK
IN: fep zup lug zup OUT: RED BLUE RED BLUE BLUE
IN: zup wif OUT: BLUE BLUE
IN: gazzer zup OUT: PINK BLUE
IN: gazzer OUT: PINK
IN: tufa wif OUT: YELLOW YELLOW
IN: fep OUT: RED

*GRAMMAR*
gazzer -> PINK 
 zup -> BLUE 
 fep -> RED 
 tufa -> YELLOW 
 x1 lug x2 -> [x1] [x1] [x2] 
 x1 dax -> [x1] [x1] 
 u1 wif -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 